OMED26 is Oct. 22-25 in Las Vegas! Earn up to 60 CME credits at the osteopathic profession’s premier event. | REGISTER NOW

The DO

US Patent No. 122,075: What an improved butter churn reveals about A.T. Still, DO

By The DO Staff

08.06.26

Before osteopathic medicine, Dr. Still channeled his passion for mechanics into everyday problems. He patented his enhanced butter churn in 1871.